FR2909977A1 - Dehydrating, reclosable stopper-lid that is integrally/mechanically hinged on a tubular container for conditioning moisture sensitive products e.g. pastille, comprises sealing unit, dehydrating unit, fixation unit, and witness tampering - Google Patents

Abstract

The dehydrating and reclosable stopper-lid (1) that is integrally or mechanically hinged on a tubular container (2) for conditioning moisture sensitive products such as pastille and tablets, comprises a sealing unit (4) for open end of the container, a dehydrating unit, a fixation unit placed between the sealing unit and the open end of tubular container, a witness tampering, and a compensation unit (3) for maintaining the conditioned product. The compensation unit is conical, truncated, polyedric or truncated polyhedral shaped hollow device and positioned inside the sealing unit. The dehydrating and reclosable stopper-lid (1) that is integrally or mechanically hinged on a tubular container (2) for conditioning moisture sensitive products such as pastille and tablets, comprises a sealing unit (4) for open end of the container, a dehydrating unit, a fixation unit placed between the sealing unit and the open end of tubular container, a witness tampering, and a compensation unit (3) for maintaining the conditioned product. The compensation unit is conical, truncated, polyedric or truncated polyhedral shaped hollow device and positioned inside the sealing unit, and comprises a large annular base and a small parallel base on the large base. The coaxially packed products are contacted with the small base and then contacted to the large base by a deformable connection device under a mechanical pressure. The deformable connection device has capacity to recover its initial form when the pressure is eliminated, and comprises a deformable helix enrolling on a fictitious and coaxial cone to the axis of the device and appearing as a truncated or conical spring and a deformable tab appearing as one of the side edges of the factious polyhedron in which the device is registered or belonging to the fictious surface of a cone or a cone trunk. The compensation unit part contacting with the packed product has ratio of the diameters of 0.1-0.6. The deformable connection device is formed by irregularly distributed propellers and evenly distributed tabs using crimping, heading, setting, press fit, pasting, welding and injection molding from thermoplastic polymer materials. The dehydrating unit is constituted by a housing present on the bottom of the stopper lid. The housing contains a dehydrating agent with silica gels, molecular filters or other dehydrating products that are present in a powdery form and that contains a capsule made of a dehydrating polymeric material containing dehydrating fillers. The fixation unit is present in the form of ring, band or doughnut type, and is connected to the container by press fitting, crimping, pasting and welding.

Description

1 - DEHYDRATING COVER, REFERMABLE, HINGED, WITH A WINDOW

  The invention relates to a reclosable, hinged, burglar-proof and compensating desiccant lid-stopper that fits onto a tubular container for packaging. BACKGROUND OF THE INVENTION in a controlled atmosphere, products sensitive to moisture. Such products to be conditioned, sensitive to moisture, are generally products such as, for example, products of the pharmaceutical, cosmetic, food, veterinary, diagnostic and other types. More specifically, the invention relates to a reclosable desiccant lid hinged, tamper-evident and compensating device, constituting the resealable sealing means of the open end of the container, said cap-lid being connected to the body the container by a hinge-type connection associated with a ring secured to said container and having a tamper evident placed between the cap-lid and said ring forcefully inserted on the container during its final closure after filling. This break-in indicator makes it possible, when the user first opens the container, to note that it has not been opened after it has been filled by the pharmaceutical laboratory, thus ensuring the physical integrity of the container. protective packaging 2909977 2 guaranteeing the authenticity, qualitative and quantitative, of the product contained. More specifically, the invention relates to a closable desiccant lid hinge, tamper-evident and compensation device, said compensation device for exerting mechanical pressure, spring effect on stored products especially pharmaceutical , in the form of, more specifically, lozenges, tablets, tablets. STATE OF THE ART [0002] Numerous desiccant plugs with compensating device and tamper evidence have been made and are fully described in the patent literature. They are of the plug type, coming to fit forcefully into the open end of a generally cylindrical container, thus providing the functions of dehydrating and holding in position the upper tablets positioned in the container, full or substantially full, thanks to to a compensation device in the form of a spring or a twist. Thus said tablets can not move inadvertently inside the container during transport. The risk of mechanical deterioration of said tablets is thus avoided. However, such physical maintenance can only be implemented on a substantially full container. In order for the spring effect of the compensation swirler to be exerted, it is important that the spacing zone between the upper surface of the compact and the lower surface of the compensating swirler in contact with the upper surface of the compressed to maintain in position, or height less than the height of said compensating swirler.

Thus for example the document DE9203763 (GAPLAST) describes an absorbent plug which is inserted into the open end of a cylindrical container, in order to seal it tightly. Such a stopper comprises a ring which permanently and permanently attaches to the upper outer end of the container, once the container has been filled. This ring acts as a tamper evidence by the presence of breakable bridges between the upper portion of said ring and the lower portion 15 of said plug. These breakable bridges are broken during the first opening of the container. The desiccant plug also includes a chamber containing the desiccant material. The desiccant plug also includes a cylindrical vane-like compensating spring element of monolithic design, i.e. injected along with the desiccant plug.

Another document, DE8337183U (SANNER GMBH) also discloses an absorbent plug for insertion into the open end of a cylindrical container. Such an absorbent plug comprises a tamper indicator constituted by a flange equipped with a double set of 30 breakable bridges, positioned between the lower ring and the plug. When the cap is first opened, the intermediate flange is detached from the assembly by means of the rupture of the upper bridges connecting to the stopper and the breaking of the lower bridges connecting it to the ring fixed on the upper end of the container body. Such a cap further comprises a compensating spring element, also of monolithic design. These plugs available in the state of the art are, however, not hinged to the container and can, therefore, be easily misplaced by the user. This is why another design is needed to provide this additional hinged cap-lid function. In particular, the document EP1352844 (CSP) describes a packaging that can be closed, protecting the moisture thus conditioned products, comprising a container and a cap-lid, connected by an integral hinge and equipped with a spring element, attached to the inner part of the lid cap 20 and a desiccant material retained by the spring element. This spring member, manufactured separately from the container and the cap-lid, is assembled on the bottom of said cap-lid and contains a desiccant bag. The cap-lid described in this document has a hinge which is not secured to a ring attached to the container but is directly secured to the container, the cap-lid, the hinge and the container being molded in a single operation. Such a hinge is said integral hinge. 2909977 5 - Such a container design and cap-lid with integral hinge is more difficult to manufacture, at high rates of the packaging industry, contrario a manufacture operating in two parts 5 perfectly cylindrical, tubular container on the one hand, cap-lid on the other hand, it is easier to implement on multiple impression molds. In addition, this compensating spring element can not be of high height because said element then interferes with the edge of the container, due to its cylindrical shape, when closing the container by rotating the cap-lid around the container. axis of its hinge.

Thus, the state of the art shows that containers closed by a hingeless plug can be simultaneously provided with a desiccant reservoir positioned in the plug, a tamper-evident and a cylindrical compensating spring. adequate size. However, the state of the art also reveals that it is almost impossible to equip this type of container comprising the aforementioned means, namely a desiccant, a burglar and a cylindrical compensation element, since the an attempt is made to replace an interlocking plug by a hinged lid-cap, when it has a dehydrating storage chamber. Indeed, the cylindrical or frustoconical compensation element 30 of the hinged lid-cap, when said lid-cap is provided with it, strikes the edge of the container, because of its height 2909977 6 - minimum necessary for its mechanical compensation action . SUMMARY OF THE INVENTION There is therefore a technical problem that has been posed and not solved, namely that of not being able to produce a container equipped with a hinged lid-cap, equipped with a desiccant reserve chamber, a tamper indicator and 10 also comprising a compensation device of sufficient minimum height to its mechanical compensation action, this device having the ability to deform under pressure and to recover its shape upon release.

Another problem posed to the designer is still to solve all or some of the disadvantages mentioned above and thus constitute a significant improvement over the state of the art.

Accordingly, the invention relates to a hinged resealable desiccant lid-cap, closing a container for packaging moisture-sensitive products, also having a tamper evident and comprising a geometry compensation means. registering in a fictitious volume and thus of apparent shape such that it can allow the passage of said compensation means in the open space of the container 30 during the rotation of the cap-lid, around the axis constituted by the connecting hinge the cap-lid to the tubular container while the cap-lid is equipped with its compensator and its housing containing the desiccant that it is sufficiently effective in terms of spring effect, that is to say that said means of 5 compensation comes well, by its mechanical action, rely on the packaged products to block the vertical movement.

The cap-lid, according to the invention, provides a solution to a technical problem raised and not solved in the state of the art, which is that of being able to equip a container with a hinged lid-cap having both a compensation means and a desiccant element in the body of the cap-lid. Accordingly, the invention relates to a hinged resealable desiccant lid-cap constituting the sealing means of the open end of a tubular container for packaging moisture-sensitive products, further comprising a means desiccant, a fastening means placed between the closure means and the open end of the tubular container, a tamper evident, a compensation means for holding the packaged products, positioned inside the closure means and rendered integral with said closure means, characterized in that said compensating means is a substantially conical, frustoconical, polyhedral, truncated polyhedral hollow-shaped hollow device composed of a large annular base and a small base parallel to the large base, this small base in contact with the packaged products, being coaxial and connected to the large base by at least one connecting means of deformable under the effect of mechanical pressure and having ability to recover its original shape when said pressure is removed. DETAILED DESCRIPTION OF THE INVENTION Thus, according to the invention, the reclosable, hinged, burglar-proof, and compensating desiccant closure cap constitutes the means for sealing the open end of the tubular container. in which the products to be protected are conditioned and comprises a dehydrating means, a fixing means placed between the closure means and the open end of the container so as to secure the cap-lid and container assembly, a hinge 20 allowing connecting the closure means to the fastening means and opening and closing the container, a tamper evident visually testifying to the first opening of said container and a compensating means for holding the packaged products in a container; mechanical pressure. This resealable, hinged, burglarproof and compensating desiccant lid-cap for the packaging of moisture-sensitive products: provides the means for sealing the open end of a tubular container; forming the product packaging zone, closed at one of its ends by a bottom and open to the other, and further comprising: a desiccant means placed on the part of the medium of internal closure to the container, a fixing means placed between the closure means and the open end of the tubular container, mechanically locking, irreversibly on said container, during its final closure after filling, a hinge allowing connecting the closure means to the fixing means, a burglar-proof indicator having the ability to visually testify to the first opening of said container equipped with its lid-cap, 20 a compensation means making it possible to keep the packaged products under mechanical pressure in order to avoid the risk of said products before use being inadvertently move inside the container during transport, this compensation means having a specific shape, being positioned inside the closure means and secured to said sealing means.

The closure means: The container is closed with the closure means which is the cap-lid type cap according to the invention, connected to the container body via a hinge it - Even integral with the container body by means of a fixing means, for example of the type of fixing ring.

This closure means of the open end of the container is a lid-cap coaxial with the container consisting of an upper end wall constituting said cap-lid and two peripheral walls coaxial with the axis of the cap. cover forming between them a deep peripheral groove whose walls are spaced from one another to cover, when said closing means is closed, the peripheral wall of the open end of the container so that a contact is established tight and intimate between: the bottom of the groove and the peripheral rim of the open end of the container, - the inner surface of the inner wall of said groove and the inner surface of the open end of the container, - the inner surface the outer coaxial wall of the groove and the outer surface of the open end of the container.

An outer collar-like peripheral abutment may be created near: The open end of the container on which the closure means can be located in the closed position.

Any means allowing the creation of a sufficient or even reinforced seal between the body of the container and the lid-cap is possible within the scope of the invention. Thus, for example, a 2909977 cap-lid architecture with a deep peripheral groove allowing a leaktight covering by means of three peripheral contact zones surface-to-surface of the open end of the envelope, provides a desired sealing 5 by contact intimate surface to surface, when closing the cap-lid. To maintain the cap-lid in closed position, the inner face of the outer wall of the groove and the outer face of the outer wall of the casing may be provided with a latching means, requiring mechanical effort as well. to complete the closure of the Bouchoncouvercle only to ensure its opening.

In order to facilitate the opening and closing operation of the cover cap, the lower plane edge of the outer wall of the groove may be extended by a gripping visor or have a recessed tab.

This visor-like protrusion or tab-like recess makes it easier to open the lid cap more generally, with one hand, and to rotate it about the axis of the hinge. They also make it possible to exert sufficient lifting force to break the breakable bridges of the tamper. Desiccant means: The desiccant lid-cap according to the invention has a reported type of moisture absorbing means. The dehydrating agent is placed in a suitable housing, located on the bottom of the cap-lid, said housing being closed by a sealing means not sealed to ambient humidity, for example a porous cardboard membrane. to ensure rapid desiccation of moisture-sensitive products packaged in the desiccant container. The dehydrating agent used in the housing is selected from the group consisting of silica gels, molecular sieves or other desiccants, in powder form or deposited on a powdery carrier. The desiccant may also be a capsule contained in said housing and made of a desiccant polymer material containing or not desiccant fillers. Fixing means: A fixing means is placed between the closure means and the open end of the container so as to secure the cap-lid and container assembly. This fixing means may be of the ring, collar, fastener ring or any mechanical system fixing said cap-lid to the tubular container. The fastening means is secured to the container by press fitting, clipping, gluing, welding. In a preferred configuration, this fastening means is secured to the container by clipping, that is to say press fit into an appropriate groove during the final closure of the container after filling. The geometry of the groove is such that this fixing ring can not be disassembled from the container once it is put in place by pressure during the final closure of the container after filling. The geometry is that of a form against undercut, playing on the relative possibility of deformation of the ring, equipped for its fitting by force of a circular chamfer.

The hinge: The physical connection between the container, via the fixing means that is the fixing ring and the closure means which is a cap-lid, is preferably an integral hinge that is -desire molded at the same time and in the same material as the cap-lid and the fixing ring to be secured with the container body. This integral hinge can be film type or ribbon type.

A removable mechanical hinge, ensuring the accuracy of the closure, can also be considered but has the disadvantage of constituting an additional piece, while this cap-lid assembly, hinge, fixing ring and burglarproof indicator is monobloc and therefore manufactured in a single operation and in the same material. In fact, in the case of a rigid mechanical type hinge 30 removable, it is formed of two parts, one integrated with the fixing ring coming to slip on the container, the other integrated by means of shutter. According to the invention, the cap-lid, secured to the packaging container, once the fixing ring is forcibly fitted is actually equipped with a tamper evidence, also called first opening indicator, positioned between said ring integral with the container and said cap-lid. This burglar or tamper evident light is formed by micro-links connecting all or part of the lower peripheral surface of the cap-cover to all or part of the upper peripheral surface of the fixing ring or collar. still to any fastening system such as ring fixing the lid on the body of the container or secured to the body of the container. These micro-links or breakable bridges are micro-points of connection, independent of each other but forming a periphery or a simple toothed zone of connection between the lid-cover movable around its hinge, reclosable, once these: Links broken and the ring or the collar or the system fixing said cap-lid to the body of the container.

These micro-points are broken during the first opening by the application of a breaking force exerted on the lid-cap in the vertical direction, from the bottom to the top if it is a simple connection by micro-points 30 between the ring or fastening collar secured to the container and the cap-lid or in the horizontal direction by circular pulling movement if it is a double row of breaking points of a 2909977 15 - intermediate flange between the fastening means and the cap-lid. The first user performs this gesture and thus knows that he is the first user. It can easily see whether said micro-point link is still present and integrated or not. The compensation means: According to the invention, the cap-cover comprises a compensation means consisting of a substantially conical, frustoconical, polyhedral, truncated polyhedral hollow-shaped compensation device composed of a large annular base and a small base parallel to the large base, which is coaxial with it and connected to it by at least one deformable connecting means, having the capacity to recover its initial shape, the small base being in contact with the packaged products. This compensation device positioned inside the closure means is secured to said sealing means and is of sufficient height that its mechanical compensating action can actually be exercised.

This compensation device is of apparent shape such that its end in contact with the packaged products is of substantially smaller size than that of its end connected to the lower part of the cap-lid, thus allowing it not to interfere with the upper zone of opening of the tubular container when opening and closing the cap-lid, - once it fixed permanently on the container after filling. More specifically, the ratio of the diameters of the part of the compensation device in contact with the packaged product, on which this mechanical compensation is exerted, that is to say the small base and the end of the device connected to the lower part of the cap-lid, that is to say its large base, varies between 0.05 and 0.9 and preferably between 0.1 and 0.6. In the context of the aforementioned report: when the apparent shapes are conical or frustoconical, the small base and large base are circular and their diameters are real. when the apparent shapes are polyhedral or polyhedral truncated, the small base can be polygonal and leads to the measurement of an apparent diameter or circular to real diameter, the large base being always circular with a real diameter. The apparent shape of the compensation device, i.e. the imaginary volume in which said device is contained, i.e. its steric hindrance, may be conical, frustoconical, polyhedral or truncated polyhedral. When the imaginary volume is conical or frustoconical, the at least one deformable connecting means connecting the large base to the small base is a fictitious generator. The compensation device, when contained in a conical or frustoconical fictitious volume, may comprise a plurality of deformable connection means in the number of 2, 3, 4 or more and arranged around the axis preferably symmetrically. When the fictitious volume is truncated polyhedral or polyhedral, one of the edges is constituted by the at least one real deformable connection means, connecting the large base to the small base, the other edges being fictitious. In particular, the truncated polyhedral or truncated polyhedral fictitious volume which comprises at least three lateral surfaces comprises three real edges constituted by three deformable connecting means. It is the same for 4 faces, 5 faces, 6 faces. Such a fictitious volume thus enables the compensation device not to interfere, by this narrow end of its small base, with the upper opening zone of the tubular container, during the opening and closing of the cap-lid, once it fixed permanently on the container after filling. This solution, which consists in modifying the apparent shape of the compensation device in order to prevent the device interfering with the upper edge of the tubular container during the opening and closing of the lid-cap, is particularly advantageous. The deformable connecting means from the large base to the small base may be at least one deformable helix winding on a fictitious cone and coaxial with the axis of the device, and appearing as a frustoconical or conical spring. at least one deformable tongue appearing as one of the edges of the faces of the fictional polyhedron in which the device is inscribed or belonging to the imaginary surface of a cone or truncated cone. When the compensation device is of conical or frustoconical apparent shape, the at least one deformable connecting means is formed by at least one helix and preferably two propellers in opposite directions or not, regularly distributed in space. This at least one helix is connected, by its lower end, to the large base, preferably circular, made integral with the lower part of the cap-lid.

This at least one helix is also connected, by its upper end, to the small, preferably circular base of very small dimension in physical contact with the packaged product.

The section of this at least one helix may be circular or polygonal. The shape of the compensation device appears to be substantially conical, forming part of a conical fictitious volume. Said device thus ensures, by its ability to be compressed in position and by its spring effect, the holding in position of the packaged products. Other forms of propellers may be considered such as, for example, propellers in counter-rotation direction or of shape not strictly conical but slightly rhomboid. When the compensation device is of apparent polyhedral shape, the at least one deformable connecting means is formed by at least one tongue and preferably two tabs opposite or regularly distributed in space, this at least one tab being connected by its lower end to a large base preferably circularly attached to the lower part of the cap-lid and its upper end to: The small polygonal or circular base of very small dimension in physical contact with the packaged product. The shape of the compensation device appears to be substantially polyhedral, forming part of a fictional polyhedral volume. Said device thus ensures, by its ability to be compressed in position and by its spring effect, the holding in position of the packaged products. The section 20 of the tongues is sufficiently thin, whether circular or polygonal, so that said tongues can be deformed in a reversible manner, under the effect of the pressure exerted on said tongues during the closure of the filled container.

The spring effect remains intact over time insofar as the deformations remain in the range of the reversible elastic deformations and there is no creep of the constituent materials of the compensation device. The pressure exerted on the product packaged by the compensation device remains unchanged. - Said compensation device is assembled by its large base on the lower part of the housing containing the dehydrating agent by means of assembly.

Said assembly means is preferably chosen from clipping, riveting, crimping, pressing, gluing and welding techniques.

Said compensation device may be, by its large base, also connected to a cylindrical skirt, the other end of which terminates in a collar thus extending the device to allow its assembly by clipping, snapping, crimping, press fit, gluing, welding, not on the bottom of the housing containing the desiccant but on the bottom of the cap-lid, the collar for example to fit forcefully in a suitable circular housing, which may be a groove, positioned in the bottom of said cap-lid. Said compensation device, with its conical or deformable polyhedral shape but with initial shape memory, still retains its function of spring compensation. According to the invention, the device constitutes a separate part, injected separately from the cap-cover, and then assembled to said cap-cover. The compensation device is mounted after the housing containing the desiccant has been filled, then closed by its porous membrane with moisture, which simplifies this filling and closing operation. automate easily. The compensation device is also assembled to the lid-cap filled with its desiccant in an automated mounting operation. The compensation device, according to the invention, can also be manufactured in a different material from that used to manufacture the cap-lid to give it specific spring properties.

It is therefore possible to equip a container with the abovementioned means, that is to say, a hinged closable desiccant lid-cap and a burglar-proof light with a compensation device, without this device striking the edge. of the container, because of its minimum height necessary for its mechanical compensation action. Polymeric materials: The polymeric materials desirable for making the cap-lid are generally and not exclusively selected from the group of thermoplastic polymer composite materials, including in particular homo and / or copolymeric polyolefins such as polyethylenes, polypropylenes, polyesters, and the like. copolymers of ethylene / propylene used alone or in a mixture, formulated or not.

Other thermoplastic materials can also be used such as polyamides (PA), polystyrenes (PS), acrylonitrile-butadiene-styrene copolymers (ABS), styrene-acrylonitrile copolymers Polymethylmethacrylates (PMMA), polyethylene terephthalates (PET), polybutyleneterephthalates (PBT), polyacetals (POM), polyvinylchlorides (PVC), polycarbonates (PC). Mono-olefin elastomers such as, for example, isobutylene / isoprene, ethylene-vinyl acetate (EVA), ethylene-propylene (EPR), ethylenepropylene-diene (EPDM), ethylene-acrylic ester (EMAEEA) polymers fluorinated polymers, diolefin rubbers, such as, for example, polybutadiene, butadiene-styrene copolymers (SBR), condensation-based rubbers such as, for example, polyesters and polyurethanes thermoplastic rubbers. silicones, styrene rubbers, such as styrene-butadiene-styrene (SBS), styrene-isoprene-butene (SIS), styrene-ethylene butadiene styrene (SEBS) and other block copolymers, used alone or as a mixture, formulated or not can also be used. The polymeric materials desirable for producing the compensation device may be chosen from those mentioned above, but with a greater rigidity modulus of concern than for those used for the cap / lid which must provide a sealing function with the container.

The embodiment of the cap-lid and the compensation device is preferably that of the injection molding of the thermoplastics. The container equipped with its cap-lid according to the invention is intended for the packaging of solid products such as pellets, tablets, sensitive to moisture and to be kept in position in order to avoid the risk of deterioration by mechanical effect. The invention will be better understood thanks to the numerical description of the figures mentioned below, these figures having only an illustrative nonlimiting character of a particular cap-lid of the invention. FIG. 1 represents a perspective view of a lid-cap mounted on a container, equipped with its pyramidal apparent shape compensation device, in the open position; FIG. 2 represents a perspective view of a lid-cap mounted on a container, equipped with its pyramidal apparent shape compensation device, in the closed position, said compensation device pressing on the packaged product; FIG. 3 represents a bottom perspective view of the cap-lid separated from its pyramidal apparent shape compensation device; FIG. 4 represents a perspective view of a lid-cap mounted on a container, equipped with its conical apparent shape compensation device in the open position; FIG. 5 shows a perspective view of a lid-cap mounted on a container, equipped with its conical apparent-shape compensating device, in the closed position, said compensation device pressing on the packaged product; Figure 6 is a bottom perspective view of the cap-lid separated from its conical apparent shape compensation device. FIG. 7 represents a perspective view of a conical apparent shape compensation device, having a skirt enabling it to be mounted by clipping at the bottom of the cap-cover; FIG. 8 is a perspective view of a lid-cap mounted on a container, in the open position, but separated from its conical apparent-shape compensating device, having a skirt as shown in FIG. 7; FIG. 1 represents a perspective view of a cap-lid (1), according to the invention, mounted on a container (2) equipped with its compensation device (3) of apparent pyramidal shape, in the open position.

The cap-lid (1) according to the invention comprises: - a sealing means (4) for sealing the open end of a tubular container (2) constituting the stacked product conditioning zone (20), said closure means also having a gripping tab (16) for facilitating the opening of the lid cap; - dehydrating means (5) placed on the portion of the closure means (4) internal to the container, which is a housing (6) in which a desiccant (7) is placed, said housing being closed by a porous membrane with moisture (8), - a fixing means (9) placed between the sealing means (4) ) and the open end of the tubular container (2), mechanically latching, irreversibly on said container (2), upon its final closure after its filling, - a hinge (10) for connecting the closure means (4) to the fastening means (9), 5 - a tamper evidence (11) has having the ability to visually testify to the first opening of said container equipped with its cap-lid (1), said tamper evident being constituted by breakable bridges (12) positioned between the fastening means (9) 10 of the fixing ring type and the sealing means (4), - a compensating means (3) that is to say the compensation device for maintaining the packaged products (20) under mechanical pressure in order to avoid the risk of see said products stacked before use inadvertently move inside the container during transport. FIG. 2 represents a perspective view of a lid-cap (1) mounted on a container (2), equipped with its pyramidal apparent compensation device (3), in the closed position, said compensation device (3) ) pressing on the packaged product (20). Fig. 3 shows a bottom perspective view of the cap-cover (1) separated from its pyramidal apparent compensation device (3). Said compensation device (3) comprises four opposite tabs (13) regularly distributed in space, connected at their lower ends to a large circular base (14) connected to the lower part of the cover cap and at their upper end to a small circular base of very small size (15) in physical contact with the packaged product. - Figure 4 shows a perspective view of a lid-cap (1) mounted on a container (2), equipped with its compensation device (3) conically apparent shape, in the open position. The difference from FIG. 1 lies in the apparent conical and not polyhedral shape of the compensation device. FIG. 5 shows a perspective view of a cover-cap (1) mounted on a container (2), equipped with its conically apparent compensation device (3), in a closed position, said compensation device pressing on the packaged product (20). The difference with respect to FIG. 2 lies in the shape of the compensation device, of conical configuration.

FIG. 6 is a perspective view from below of the cover (1) separated from its conically apparent compensation device (3). Said compensation device (3) comprises three spirals 20 (13) uniformly distributed in space, connected at their lower ends to a large circular base (14) connected to the lower part of the cover cap (1) and at their upper end. to a small circular base of very small size (15) in physical contact with the packaged product. Figure 7 shows a perspective view of a conical apparent shape compensation device, having a skirt for mounting it by snap-fastening at the bottom of the cap-lid. Said compensation device (3) comprises three spirals (13) uniformly distributed in space, connected at their lower ends to a large circular base (14), which itself is connected to the lower part of the cover cap ( 1) through a cylindrical skirt (16) and a circular flange (17) and at their upper end to a small circular base of very small size (15) in physical contact with the packaged product. The circular flange (17) is clipped into a suitable circular housing positioned at the bottom of the cap-lid.

FIG. 8 is a perspective view of a cover cap (1) mounted on a container (2), in the open position but separated from its conically apparent compensation device (3), having a skirt (16). with flange (17). 15

Claims (19)

  A closable desiccant hinged closure lid, constituting the means for sealing the open end of a tubular container for the packaging of moisture-sensitive products, further comprising desiccant means, a fixing means placed between the closure means and the open end of the tubular container, a tamper-indicating indicator, a compensation means for holding the packaged products, positioned inside the closure means and secured to said sealing means, characterized in that said compensating means is a substantially conical, frustoconical, polyhedral, truncated polyhedric shaped hollow device composed of a large annular base and a small base parallel to the large base, this small base in contact with the packaged products being coaxial and connected to the large base by at least one deformable connection means under the effect of a mechanical pressure and having the ability to regain its original shape when said pressure is removed.   2. A cap-lid according to claim 1 characterized in that the ratio of the diameters of the portion of the compensation device in contact with the packaged product, that is to say its small base and the end of said device connected to the lower part of the cap-lid, that is to say its large base, varies between 0, 05 and 0, 9 and more preferably between 0.1 and 0.6.   3. A cap-lid according to either of claims 1 and 2, characterized in that the at least one connecting means of the compensation device may be: at least one deformable propeller winding on a cone fictitious and coaxial with the axis of the device 10 and appearing as a frustoconical or conical spring or, at least one deformable tongue appearing as one of the edges of the faces of the fictional polyhedron in which the device is part or belonging to the surface fictional of a cone or truncated cone.   4. The cap-lid according to at least one of claims 1 to 3 characterized in that the at least one deformable connecting means of the compensation device is formed by at least one helix.   5. The cap-lid according to at least one of claims 1 to 3 characterized in that the at least one deformable connecting means of the compensation device is preferably formed by at least two propellers in opposite directions or not regularly distributed in the space.   6. Cover-lid according to at least one of claims 1 to 3 characterized in that the at least one deformable connecting means of the compensation device is formed by at least one tab. 2909977 30 -   7. A cap-lid according to at least one of claims 1 to 3 characterized in that the at least one deformable connecting means of the compensation device is preferably formed of at least two opposite tabs or regularly distributed in space .   8. A cap-lid according to at least one of claims 1 to 7 characterized in that the compensation device is assembled by its large base, on the lower part of the housing containing the desiccant, by means of assembly.   9. Cover-lid according to at least one of claims 1 to 7 characterized in that the compensation device is, via a skirt and collar extending its large base, assembled on the bottom of the cap-lid by means of assembly. 20   10. A cap-lid according to claims 8 or 9 characterized in that the assembly means is preferably selected from clipping techniques,: bout.ollollage, crimping, 25 force fitting, gluing, welding .   11. A cap-lid according to at least one of claims 1 to 10 characterized in that the compensation device is made by injection molding from thermoplastic polymer materials. 2909977 31 -   12. A cap-lid according to claim 11 characterized in that the thermoplastic polymer materials are selected from the group consisting of polyolefins homopolymer and copolymers, polyamides (PA), polystyrenes (PS), copolymers of acrylonitrile-butadiene styrene-acrylonitrile (SAN) copolymers, polymethylmethacrylates (PMMA), polyethylene terephthalates (PET), polybutyleneterephthalates (PBT), polyacetals (POM), polyvinylchlorides (PVC) polycarbonates (PC).   13. A cap-lid according to claim 11 characterized in that the thermoplastic polymeric materials are selected from the group consisting of monoolefin elastomers such as isobutylene / isoprene, ethylene-vinyl acetate (EVA) polymers, ethylene-propylene (EPR), ethylene-propylene-diene (EPDM), ethylene-acrylic esters (EMA-EEA), fluorinated polymers, diolefin rubber, such as polybutadiene, butadiene-styrene copolymers (SBR) ), rubbers based on condensation products such as polyesters and polyurethanes thermoplastic rubbers, silicones, styrene rubbers, such as styrene-butadiene-styrene (SBS), styrene-isoprene-styrene (SIS), styrene ethylene butadiene styrene (SEBS) and other block copolymers, used alone or as a mixture, formulated or not. 2909977 32 -   14. A cap-lid according to at least one of claims 1 to 13 characterized in that the desiccant means is constituted by a housing present on the bottom of the cap-lid, said housing containing a desiccant selected from the group consisting of silica gels, molecular sieves or other desiccants, in powder form or deposited on a powdery support or containing a capsule made of a desiccant polymer material containing or not desiccant fillers.   15. The cap-lid according to at least one of claims 1 to 14 characterized in that the fixing means placed between the closure means and the open end of the container is of the ring, collar, and ring type.   16. A cap-lid according to claim 15 characterized in that the fastening means is secured to the container by press fitting, clipping, gluing, welding.   Cover cap according to at least one of claims 1 to 16, characterized in that the burglarproof indicator is formed by micro-links connecting all or part of the lower peripheral surface of the lid-cap to all or part of the upper peripheral surface of the ring, collar or ring 30 fixing. 2909977 33 -   18. The cap-lid according to at least one of claims 1 to 17 characterized in that the hinge is integral or mechanical type. 5   19. Use of the device according to at least one of claims 1 to 18 to the packaging of solid products such as tablets, tablets, sensitive to moisture and to be held in position to avoid the risk of damage by mechanical effect .